Mag Extension

.177 .177 Pellet .177BB .22 22 .22 Pellet .22-.380 .24-.27 .243 .243, .308, .7mm08 .270 .30-06 .30-06 Springfield, .270 Winchester .308 .7mm08 1.75" 10 10 Gauge 3.5" 10MM 12 12 Gauge 12 Gauge 1.75" 12 Gauge 2.75" 12 Gauge 3.5" 12 Gauge 3" 16 16 Gauge 2.75" 17 17 HMR 17 Hornady Mach 2 17 Remington FireBall 17 Winchester Super Magnum 2 2.5" 2.75" 20 20 Caliber 20 Gauge 20 Gauge 2.75" 20 Gauge 3" 204 204 Ruger 21 22 22 ARC 22 Caliber 22 Long 22 LR 22 Nosler 22 Short 22 TCM 22 WMR 22 WRF 22-250 22-250 Remington 220 220 Swift 222 222 Remington 223 223 Remington 223 Wylde 224 224 Valkyrie 22LR-45 240 240 Weatherby Magnum 243 243 Caliber 243 Winchester 25 25 ACP 25 Caliber 25-06 25-06 Remington 250 250 Savage 257 257 Roberts 257 Weatherby Magnum 26 26 Nosler 260 260 Remington 264 270 270 Caliber 270 Weatherby Magnum 270 Winchester 270 Winchester Short Magnum 28 28 Gauge 28 Gauge 2.75" 28 Gauge 3" 28 Nosler 280 280 Ackley Improved 280 Remington 3.5" 3" 30 30 Caliber 30 Carbine 30 Nosler 30 Super Carry 30-06 30-06 Springfield 30-30 30-30 Winchester 30-40 30-40 Krag 300 300 Blackout 300 PRC 300 Remington Ultra Magnum 300 Savage 300 Weatherby Magnum 300 Winchester Magnum 300 Winchester Magnum, 7MM Remington Magnum 300 Winchester Short Magnum 303 303 British 308 308 Marlin Express 308 Winchester 32 32 ACP 32 H&R 32 S&W Long 32-20 327 327 Federal Magnum 33 33 Nosler 338 338 Caliber 338 Lapua 338 Winchester 35 35 Remington 35 Whelen 350 350 Legend 357 357 Caliber 357 Magnum 357 Sig 357SIG 360 360 Buckhammer 375 375 H&H 38 38 Caliber 38 Special 38 Super 380 380 ACP 4.6X30MM 40 40 Caliber 40 S&W 40SW 41 41 Magnum 410 410 Gauge 410 Gauge 2.5" 410 Gauge 3" 44 44 Caliber 44 Magnum 44 Special 444 444 Marlin 45 45 ACP 45 Caliber 45 Long Colt 45-70 45-70 Government 450 450 Bushmaster 454 454 Casull 458 458 Socom 458 Winchester 460 460 S&W 5.45X39 5.7X28MM 50 50 Action Express 50 BMG 500 500 S&W 556NATO 6.5 6.5 Creedmoor 6.5 Grendel 6.5 PRC 6.5-300 6.5-300 Weatherby Magnum 6.5MM 6.5X55 6.5X55 Swedish 6.8 6.8 SPC 6.8 Western 6BR 6GT 6MM 6MM ARC 6MM Creedmoor 7.5 7.62MM 7.62X25 7.62X39 7.62X54R 762NATO 7MM 7MM PRC 7MM Remington 7MM Weatherby Magnum 7MM-08 7X57 8.6 8.6 Blackout 8MM 8MM Mauser 9MM 9MM Makarov 9MM, 40SW, 357SIG Ackley ACP Action ARC BB Blackout BMG British Buckhammer Bushmaster Caliber Carbine Carry Casull Colt Creedmoor Express Federal FireBall FK GAP Gauge Government Grendel H&H H&R HMR Hornady Hornet Improved Krag Lapua Legend Long LR Mach Magnum Makarov Marlin Mauser Multi Nosler Pellet PRC Remington Roberts Ruger S&W Savage SHARP Short Sig Socom SPC Special Springfield Super Swedish Swift TCM Tokarev Ultra Valkyrie Weatherby Western Whelen Winchester WMR WRF WSM Wylde See More See Less